Air National Guard Staff Sgt. Robert Gouhin and Tech Sgt. Brennen Johnson, both crew chiefs with the 121st Air Refueling Wing, Ohio, wash a KC-135 Stratotanker in a hangar at Rickenbacker Air National Guard Base, Ohio June 13, 2018. (U.S. Air National Guard photo by Airman 1st Class Tiffany A. Emery)